20127245868

素因数分解:

$2^2\times 3^2\times {\mathrm{53}}^1\times {\mathrm{163}}^1\times {\mathrm{64717}}^1$

素因数の和:64943

約数の個数: 72

約数和(自身を含む): 52155977328

約数和(自身を除く): 32028731460

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 53, 106, 159, 163, 212, 318, 326, 477, 489, 636, 652, 954, 978, 1467, 1908, 1956, 2934, 5868, 8639, 17278, 25917, 34556, 51834, 64717, 77751, 103668, 129434, 155502, 194151, 258868, 311004, 388302, 582453, 776604, 1164906, 2329812, 3430001, 6860002, 10290003, 10548871, 13720004, 20580006, 21097742, 30870009, 31646613, 41160012, 42195484, 61740018, 63293226, 94939839, 123480036, 126586452, 189879678, 379759356, 559090163, 1118180326, 1677270489, 2236360652, 3354540978, 5031811467, 6709081956, 10063622934, 20127245868]

約数ペア:

[(1, 20127245868), (2, 10063622934), (3, 6709081956), (4, 5031811467), (6, 3354540978), (9, 2236360652), (12, 1677270489), (18, 1118180326), (36, 559090163), (53, 379759356), (106, 189879678), (159, 126586452), (163, 123480036), (212, 94939839), (318, 63293226), (326, 61740018), (477, 42195484), (489, 41160012), (636, 31646613), (652, 30870009), (954, 21097742), (978, 20580006), (1467, 13720004), (1908, 10548871), (1956, 10290003), (2934, 6860002), (5868, 3430001), (8639, 2329812), (17278, 1164906), (25917, 776604), (34556, 582453), (51834, 388302), (64717, 311004), (77751, 258868), (103668, 194151), (129434, 155502)]